What does the +0.75mm size mean for this bearing set?

The +0.75mm designation indicates that these bearings are 0.75mm larger in diameter than standard size. This means they are intended for use when the crankshaft journals have been machined down by 0.75mm during an engine rebuild to correct wear or damage.

What is the construction of these main bearings?

These main bearings feature a bimetal construction with an aluminum base. This type of material is chosen for its good thermal conductivity and wear resistance, which are important for engine bearing performance.

Are these bearings a direct replacement for all M10 engines?

This set is specifically sized at +0.75mm, so it is not a direct replacement for engines with standard-sized crankshaft journals. It is intended for M10 engines where the crankshaft has been machined to an undersize of 0.75mm.

King Engine Bearings Main Bearing Set MB544AM0.75 - BMW M10

Name: King Engine Bearings BMW M10B15/18/20 (Size +0.75mm) Main Bearing Set
Brand: King Engine Bearings
Price: 107.37 USD
Availability: InStock

King Engine Bearings BMW M10B15/18/20 (Size +0.75mm) Main Bearing Set

$107.37

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King Engine Bearings Main Bearing Set for BMW M10 engines. This is a 0.75mm undersize set.

Key Features

Fits a range of BMW M10 engines including the 1500, 1800, 2002, 318i, and 320i.
Main bearing set is 0.75mm undersize, designed for machined crankshaft journals.
Constructed with a bimetal design featuring an aluminum base.
From King Engine Bearings, a well-known name in engine components.

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Will this fit your vehicle?

Product Details

If you're rebuilding the bottom end of your BMW M10 engine, a solid set of main bearings is crucial. This main bearing set from King Engine Bearings is built with a bimetal construction, using an aluminum base for reliable performance. It's specifically sized at +0.75mm, meaning it's designed to fit crankshaft journals that have been machined down by 0.75mm during an engine rebuild.

King Engine Bearings are a popular choice for many mechanics because they offer a well-built component that fits right. This set is designed for a range of BMW models that use the M10 engine, including vehicles like the BMW 2002, 318i, and 320i. The bimetal construction helps manage heat and wear, which is important for the longevity of your engine's rotating assembly.

When you're machining your crankshaft for a rebuild, using the correct undersize bearing is key to achieving proper oil clearance. This +0.75mm set is ready to go for those applications. Always refer to your engine's specific service manual for recommended oil clearances and installation procedures.